.page-about {
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  background: var(--ink);
  color: var(--snow);
  padding-block: clamp(20px, 4vw, 38px) clamp(34px, 6vw, 68px);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(242, 240, 234, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(242, 240, 234, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 88%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .about-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-dark-dim);
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-about .about-hero .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-hero .breadcrumb__link:hover,
.page-about .about-hero .breadcrumb__link:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold-line);
}

.page-about .about-hero .breadcrumb__sep {
  color: var(--gold);
}

.page-about .about-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 16px;
}

.page-about .about-hero__title {
  margin: 0 0 clamp(16px, 2.5vw, 24px);
  font-size: clamp(2.05rem, 6vw, 4.3rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--white);
}

.page-about .about-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 2.1vw, 17px);
  color: var(--on-dark);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
}

.page-about .about-hero__fact {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--snow);
  border-left: 1px solid var(--gold-line);
  padding-left: 12px;
}

.page-about .about-hero__fact span {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--on-dark-dim);
  margin-bottom: 2px;
}

.page-about .about-hero__media {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 1px solid var(--line-dark);
  background: var(--ink-soft);
}

.page-about .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-soft);
  margin: 0;
}

.page-about .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-hero__media .media-frame__img {
  aspect-ratio: 16 / 9;
}

.page-about .media-frame__cap {
  display: block;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--copper);
  border-top: 1px solid var(--line);
  background: var(--snow);
}

.page-about .about-hero__media .media-frame__cap {
  color: var(--on-dark-dim);
  background: var(--ink-soft);
  border-top-color: var(--line-dark);
}

/* ---------- 主体骨架 ---------- */
.page-about .about-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  padding-block: clamp(30px, 5vw, 72px);
}

.page-about .about-aside {
  order: -1;
  align-self: start;
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-about .aside-block {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.page-about .aside-block__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-about .aside-index {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .aside-index li {
  flex: 0 0 auto;
}

.page-about .aside-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), color 180ms var(--ease);
}

.page-about .aside-index__link:hover,
.page-about .aside-index__link:focus-visible {
  border-color: var(--gold);
  background: var(--gold-wash);
}

.page-about .aside-index__link.is-active {
  border-color: var(--gold);
  background: var(--gold-wash);
}

.page-about .aside-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-about .aside-facts {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-about .aside-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-about .aside-fact:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-about .aside-fact dt {
  font-size: 13px;
  color: var(--copper);
}

.page-about .aside-fact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-about .about-main {
  display: grid;
  gap: clamp(30px, 5vw, 54px);
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-about .about-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 4vw, 38px);
  min-width: 0;
}

.page-about .about-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-about .about-section__num {
  flex: 0 0 auto;
  margin: 0;
  padding: 3px 7px;
  border: 1px solid var(--gold-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-about .about-section__title {
  margin: 0;
  font-size: clamp(1.35rem, 3.4vw, 2.05rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-about .about-section__lead {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 15.5px;
  color: var(--copper);
}

.page-about .prose {
  max-width: 66ch;
}

.page-about .prose p {
  margin: 0 0 1.1em;
  font-size: 16px;
}

.page-about .prose p:last-child {
  margin-bottom: 0;
}

/* ---------- 三条要点 ---------- */
.page-about .about-points {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-about .about-point {
  border-left: 2px solid var(--gold);
  padding: 2px 0 2px 14px;
}

.page-about .about-point__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
}

.page-about .about-point__text {
  margin: 0;
  font-size: 14px;
  color: var(--copper);
  line-height: 1.7;
}

/* ---------- 双栏 ---------- */
.page-about .about-split {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  min-width: 0;
}

.page-about .about-split__main,
.page-about .about-split__aside {
  min-width: 0;
}

/* ---------- 三类厅 ---------- */
.page-about .halls {
  display: grid;
  gap: 16px;
  margin-top: 4px;
}

.page-about .halls__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .halls__tab {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-about .halls__tab:hover,
.page-about .halls__tab:focus-visible {
  border-color: var(--gold);
  background: var(--gold-wash);
}

.page-about .halls__tab--all {
  color: var(--copper);
}

.page-about .halls__panels {
  display: grid;
  gap: 14px;
}

.page-about .hall-panel {
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: var(--white);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.page-about .hall-panel:target {
  border-color: var(--gold);
  background: var(--gold-wash);
}

@supports selector(:has(*)) {
  .page-about .halls__panels:has(.hall-panel:target) .hall-panel {
    display: none;
  }
  .page-about .halls__panels:has(.hall-panel:target) .hall-panel:target {
    display: block;
  }
}

.page-about .hall-panel__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
}

.page-about .hall-panel p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink);
}

.page-about .hall-panel__label {
  display: block;
  margin: 12px 0 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-about .hall-map-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-dark);
  background: var(--deep);
}

.page-about .hall-map {
  display: block;
  min-width: 520px;
  width: 100%;
  height: auto;
}

.page-about .hall-map__axis {
  stroke: var(--gold-line);
  stroke-width: 1;
}

.page-about .hall-map__link {
  stroke: var(--red-line);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.page-about .hall-map__room rect {
  fill: rgba(201, 162, 39, 0.09);
  stroke: var(--gold-line);
  stroke-width: 1;
}

.page-about .hall-map__dot {
  fill: var(--gold);
}

.page-about .hall-map__label {
  fill: var(--snow);
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
}

.page-about .hall-map__num {
  fill: var(--gold);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.page-about .about-figure {
  margin-top: 16px;
}

.page-about .about-figure .media-frame__img {
  aspect-ratio: 4 / 3;
}

/* ---------- 时间线 ---------- */
.page-about .milestones {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 26px;
}

.page-about .milestones::before {
  content: "";
  position: absolute;
  left: 72px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--gold-line);
}

.page-about .milestone {
  position: relative;
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  column-gap: 24px;
}

.page-about .milestone::before {
  content: "";
  position: absolute;
  left: 68px;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--snow);
  border: 1px solid var(--gold);
}

.page-about .milestone__year {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--gold);
  text-align: right;
}

.page-about .milestone__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
}

.page-about .milestone__text {
  margin: 0;
  font-size: 14.5px;
  color: var(--copper);
}

.page-about .milestone__link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid var(--red-line);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .milestone__link:hover,
.page-about .milestone__link:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

/* ---------- 团队 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-about .team-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-about .team-card:hover {
  border-color: var(--gold-line);
  box-shadow: var(--shadow-lift);
}

.page-about .team-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .team-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
}

.page-about .team-card__text {
  margin: 0;
  font-size: 14px;
  color: var(--copper);
}

.page-about .team-card__more {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
}

.page-about .team-card__more summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-about .team-card__more summary::-webkit-details-marker {
  display: none;
}

.page-about .team-card__more summary::after {
  content: "＋";
  color: var(--gold);
}

.page-about .team-card__more[open] summary::after {
  content: "－";
}

.page-about .team-card__more p {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--copper);
}

.page-about .flow {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .flow__step {
  border-top: 2px solid var(--gold-line);
  padding-top: 10px;
}

.page-about .flow__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-about .flow__label {
  margin: 4px 0;
  font-size: 15px;
  font-weight: 700;
}

.page-about .flow__text {
  margin: 0;
  font-size: 13.5px;
  color: var(--copper);
}

/* ---------- 服务区域 ---------- */
.page-about .region-tags {
  border: 1px solid var(--line);
  background: var(--white);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.page-about .region-tags__title {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--copper);
}

.page-about .region-tags__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .region-tags__list li {
  font-size: 13px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  background: var(--sand);
  color: var(--ink);
}

.page-about .about-section .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 11px 20px;
  font-size: 14px;
  text-decoration: none;
}

/* ---------- 满意度 ---------- */
.page-about .stat-band {
  display: grid;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  background: var(--white);
  padding: clamp(18px, 3vw, 28px);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.page-about .stat-band__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(2.6rem, 8vw, 4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-about .stat-band__num span {
  font-size: 0.42em;
  color: var(--gold);
  margin-left: 2px;
}

.page-about .stat-band__note {
  margin: 0;
  font-size: 14px;
  color: var(--copper);
  max-width: 52ch;
}

/* ---------- 延伸入口 ---------- */
.page-about .next-steps {
  margin-top: clamp(30px, 4vw, 46px);
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.page-about .next-steps__title {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-about .next-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .next-steps__link {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 4px 16px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}

.page-about .next-steps__link span {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--copper);
}

.page-about .next-steps__link::after {
  content: "→";
  color: var(--gold);
  font-family: var(--font-mono);
}

.page-about .next-steps__link:hover,
.page-about .next-steps__link:focus-visible {
  border-color: var(--gold);
  background: var(--gold-wash);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-about .about-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .stat-band {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 28px;
  }

  .page-about .next-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .next-steps__link {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-about .next-steps__link::after {
    align-self: flex-end;
  }

  .page-about .hall-map {
    min-width: 0;
  }
}

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-split > .about-split__aside {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-shell {
    grid-template-columns: minmax(0, 1fr) 288px;
    align-items: start;
  }

  .page-about .about-aside {
    order: 0;
    position: sticky;
    top: 92px;
  }

  .page-about .aside-index {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .aside-index li {
    flex: 0 0 auto;
    width: 100%;
  }

  .page-about .aside-index__link {
    width: 100%;
    justify-content: flex-start;
    padding: 9px 10px;
    border: 0;
    border-left: 1px solid var(--line);
    background: transparent;
  }

  .page-about .aside-index__link.is-active {
    border-left: 2px solid var(--gold);
    background: var(--gold-wash);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .aside-index__link,
  .page-about .halls__tab,
  .page-about .team-card,
  .page-about .milestone__link,
  .page-about .next-steps__link {
    transition: none;
  }
}

未使用


未使用